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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Gwynn Oak, Maryland, with an average temperature ranging between min 26.1°F (-3.3°C) and max 37.9°F (3.3°C). The coldest temperatures occur during January, when averages reach a peak of 37.9°F (3.3°C) and a low of 26.1°F (-3.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Gwynn Oak, Maryland, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 28.4°F (-2°C). The ushering in of February brings an average high-temperature of a still cold 41.9°F (5.5°C), closely mirroring the 37.9°F (3.3°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Gwynn Oak, Maryland, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 35.4°F (1.9°C). In March, the meteorological conditions subtly change with the average high-temperature edging from a wintry 41.9°F (5.5°C) in February to a fresh 50.5°F (10.3°C). Weather in March »
Weather in April
April is a comfortable spring month in Gwynn Oak, Maryland, with an average temperature fluctuating between 45.3°F (7.4°C) and 62.6°F (17°C). As Gwynn Oak transitions into April, the average high-temperature is observed to rise from a cool 50.5°F (10.3°C) in March to a comfortable 62.6°F (17°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Gwynn Oak, Maryland, with an average temperature varying between 55.2°F (12.9°C) and 72.1°F (22.3°C). With the onset of May, the average high-temperature slightly shifts from April's enjoyable 62.6°F (17°C) to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Gwynn Oak, Maryland, with an average temperature fluctuating between 80.1°F (26.7°C) and 63.5°F (17.5°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's agreeable 72.1°F (22.3°C) to a moderately hot 80.1°F (26.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Gwynn Oak, Maryland, with an average temperature fluctuating between 68.5°F (20.3°C) and 85.3°F (29.6°C). The average temperatures reach their apex in July, averaging 85.3°F (29.6°C) at the high end and 68.5°F (20.3°C) at the low end. For most parts of July, the heat index is calculated to be a very hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Gwynn Oak, Maryland, with an average temperature varying between 66.9°F (19.4°C) and 83.1°F (28.4°C). Gwynn Oak, Maryland, observes an average high-temperature of a still moderately hot 83.1°F (28.4°C) in August, barely different from 85.3°F (29.6°C) in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Gwynn Oak, Maryland, with an average temperature fluctuating between 60.3°F (15.7°C) and 76.5°F (24.7°C). A mild shift in the average high-temperature occurs in September, reducing from 83.1°F (28.4°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »
Weather in October
October, like September, in Gwynn Oak, Maryland, is another enjoyable autumn month, with an average temperature varying between 50.4°F (10.2°C) and 64.9°F (18.3°C). The arrival of October corresponds with a reduction in the average high-temperature, down from September's moderately hot 76.5°F (24.7°C) to an enjoyable 64.9°F (18.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Gwynn Oak, Maryland, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 53.1°F (11.7°C). November's arrival correlates with a reduction in the average high-temperature, down from a comfortable 64.9°F (18.3°C) in October to a cool 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Gwynn Oak, is also a frosty month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 43.9°F (6.6°C). Gwynn Oak's progression into December includes a drop in the average high-temperature, from a cool 53.1°F (11.7°C) in November to a frosty 43.9°F (6.6°C). Weather in December »
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
In Gwynn Oak, January records the average lowest temperatures, peaking at 37.9°F (3.3°C) and reaching a low of 26.1°F (-3.3°C).
What is the driest month?
The months with the least rainfall are January and February Rain falls for 9.1 days and accumulates 2.01" (51mm) of rain.
How many days does it rain?
Throughout the year, there are 160.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
In Gwynn Oak, during the entire year, snow falls for 18.7 days and aggregates up to 8.54" (217mm) of snow.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 5h of sunshine.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.72" (69mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the most humid month?
May is the most humid month, with an average relative humidity of 78%.
When it does not snow?
In Gwynn Oak, snow does not fall in May through October.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What are the warmest months?
During the warmest month in Gwynn Oak, July, temperatures average a high of 85.3°F (29.6°C) and a low of 68.5°F (20.3°C).
What is the least humid month?
With an average relative humidity of 72%, July is the least humid month.
What month has the most sunshine?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 16.6 days and typically aggregates up to 3.94" (100mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Gwynn Oak, MD
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Gwynn Oak, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Gwynn Oak, MD
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
7.4mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Gwynn Oak, MD
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Gwynn Oak, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.01" - Average rainfall in March:
2.36" - Average rainfall in April:
2.36" - Average rainfall in May:
2.99" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.94" - Average rainfall in September:
2.2" - Average rainfall in October:
2.56" - Average rainfall in November:
2.48" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are January and February (2.01").
Average rainfall days
Gwynn Oak, MD
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Gwynn Oak, MD
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Gwynn Oak, MD
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3.5 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Gwynn Oak, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Gwynn Oak, MD
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Gwynn Oak, MD
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Gwynn Oak, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Gwynn Oak, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Gwynn Oak, Maryland, USA
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